Radium Engineering Air Oil Separator (AOS-R) Kit w/ Master Cylinder Brace 15-21 WRX / 14-18 Forester shippingfee287 These pads are designed specifically

These pads are designed specifically for Subaru WRX STI models from 2004 to 2017

1× Torque Solution Shifter Linkage Bushings

a noticeable reduction in vehicle weight

All components come with mounting accessories for straightforward installation

Radium Engineering Air Oil Separator (AOS-R) Kit w/ Master Cylinder Brace 15-21 WRX / 14-18 Forester shippingfee287 These pads are designed specificallyHigh powered modified Subaru engines tend to generate excessive blow by oil and gasses. In these cases, an ordinary small catch can may quickly fill with oil and not be adequate. The AOS R (Air Oil Separator Return) kit is responsible for keeping blow by oil and other pollutants out of the intake pipe, manifold, turbocharger, and intercooler during all engine loads. The main difference is that an AOS R system returns what is collected back into the